它具有辅助电路简单，辅助电路的电感、电容和二极管的电流电压应力小，副边占空比损失小等优点。
This auxiliary network has the advantages such as its circuit is simple, the current stresses and voltage stresses on its components are small.
以一起变压器副边短路事故为例，分析了变压器副边短路过渡过程中产生过电流、过电压的危害性；介绍为避免类似事故发生应采取的防范措施。
The danger of overcurrent and overvoltage in the transient process of transformer's secondary short circuit is analyzed and countermeasures to avoid such accidents are introduced.
重点讨论了超前管、滞后管实现零电压开关的差异以及副边占空比丢失的原因。
The difference of leading switches and lagging switches to realize the zero-voltage switching and the reason of duty-cycle loss is emphatically argued.
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